fix: declare zod runtime dependencies (#4289)

Co-authored-by: olaservo <olahungerford@gmail.com>

src/filesystem/package.json

@@ -28,7 +28,8 @@
     "@modelcontextprotocol/sdk": "^1.30.0",
     "diff": "^8.0.3",
     "glob": "^13.0.6",
-    "minimatch": "^10.0.1"
+    "minimatch": "^10.0.1",
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/diff": "^5.0.9",

src/memory/package.json

@@ -25,7 +25,8 @@
     "test": "vitest run --coverage"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.30.0"
+    "@modelcontextprotocol/sdk": "^1.30.0",
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/node": "^22",

src/sequentialthinking/package.json

@@ -27,7 +27,8 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.30.0",
     "chalk": "^5.3.0",
-    "yargs": "^17.7.2"
+    "yargs": "^17.7.2",
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/node": "^22",
@@ -37,4 +38,4 @@
     "typescript": "^5.3.3",
     "vitest": "^4.1.8"
   }
-}
+}